11201221123003 has 4 divisors (see below), whose sum is σ = 11201340912048. Its totient is φ = 11201101333960.

The previous prime is 11201221122997. The next prime is 11201221123013. The reversal of 11201221123003 is 30032112210211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11201221123003 - 2¹⁷ = 11201220991931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201221123013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59754151 + ... + 59941312.

It is an arithmetic number, because the mean of its divisors is an integer number (2800335228012).

Almost surely, 2^{11201221123003} is an apocalyptic number.

11201221123003 is a deficient number, since it is larger than the sum of its proper divisors (119789045).

11201221123003 is an equidigital number, since it uses as much as digits as its factorization.

11201221123003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119789044.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11201221123003 its reverse (30032112210211), we get a palindrome (41233333333214).

The spelling of 11201221123003 in words is "eleven trillion, two hundred one billion, two hundred twenty-one million, one hundred twenty-three thousand, three".